One of the most well known events in the early church was the Council of Nicaea. But it can equally be said that there is no other as misunderstood event as the Council of Nicaea.
I get it. It is the first major church council and it is called by the Roman Emperor. The seeming union of church and state. Something fishy must have happened.
You may find this short video helpful in understanding what actually happened at Nicaea.
